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Journal of Process Control, G. Dolanc, S. Strmčnik, J. Petrovčič, Figure 1
Journal of Process Control, G. Dolanc, S. Strmčnik, J. Petrovčič, Figure 2
0,4 0,6 0,8 1,0 1,2 1,40
10
20
30
40
50
60
70
80
90
100SR
/ %NH
3 s
lip / p
pm
interval of km
NH3 slip / ppm
Step ofreduction / %
k m Journal of Process Control, G. Dolanc, S. Strmčnik, J. Petrovčič, Figure 3
0,00 0,02 0,04 0,06 0,08 0,10 0,12
0,04
0,05
0,06
0,07
0,08
0,09
0,10
measurement model
(CO
2) m
easu
rem
ent,
mod
el
(O2) measurement
Journal of Process Control, G. Dolanc, S. Strmčnik, J. Petrovčič, Figure 4
Journal of Process Control, G. Dolanc, S. Strmčnik, J. Petrovčič, Figure 5
10 11 12 13 140
20
40
60
80
100 measurement model
Kc = 18000,0b = 0,36
(NO)
/ pp
m
AFR Journal of Process Control, G. Dolanc, S. Strmčnik, J. Petrovčič, Figure 6
10 11 12 13 140
20
40
60
80
100 measurement model
Kc = 18000,0b = 0,36
(NO)
/ pp
m
AFR Journal of Process Control, G. Dolanc, S. Strmčnik, J. Petrovčič, Figure 7
Journal of Process Control, G. Dolanc, S. Strmčnik, J. Petrovčič, Figure 8
Journal of Process Control, G. Dolanc, S. Strmčnik, J. Petrovčič, Figure 9
1 2 3 4 5 6 70,0
0,4
0,8
1,2
1,6
2,0
φF = 120 l/min
φF = 60 l/min
φF = 240 l/min
Err
/ ppm
kp Journal of Process Control, G. Dolanc, S. Strmčnik, J. Petrovčič, Figure 10
0,0 0,5 1,0 1,5 2,0 2,5 3,0 3,5 4,00
5
10
15
20
t / h
(NO
) OUT
/ pp
m
40
60
80
100
(NO
) IN /
ppm
0,00,10,20,30,4
φ NH3
/ l/m
in
101112131415
AFR
Journal of Process Control, G. Dolanc, S. Strmčnik, J. Petrovčič, Figure 11
1 2 3 4 5 6 70,0
0,4
0,8
1,2
1,6
2,0
φF = 120 l/min
φF = 60 l/min
φF = 240 l/min
Err
/ ppm
kp Journal of Process Control, G. Dolanc, S. Strmčnik, J. Petrovčič, Figure 12
0,0 0,5 1,0 1,5 2,0 2,5 3,0 3,5 4,00
5
10
15
20
t / h
(NO
) OUT
/ pp
m
40
60
80
100
(NO
) IN /
ppm
0,00,10,20,30,4
φ NH3
/ l/m
in
101112131415
AFR
Journal of Process Control, G. Dolanc, S. Strmčnik, J. Petrovčič, Figure 13
0,80 0,85 0,90 0,95 1,000,0
0,4
0,8
1,2
1,6
2,0
(n)(d)(e) (c) (b)
φF = 120 l/min
φF = 60 l/min
φF = 240 l/min
Err /
ppm
a1 Journal of Process Control, G. Dolanc, S. Strmčnik, J. Petrovčič, Figure 14
0,0 0,5 1,0 1,5 2,0 2,5 3,0 3,5 4,00
5
10
15
20
t / h
(NO
) OUT
/ pp
m
020406080
100
(NO
) IN /
ppm
0,00,10,20,30,4
φ NH3
/ l/m
in
101112131415
AFR
2500
3000
3500
4000φ S
/ l/m
in
Journal of Process Control, G. Dolanc, S. Strmčnik, J. Petrovčič, Figure 15
0
20
40
60
80
100
120
10 11 12 13 14 15
(n*1.1)(n*0.9)(n) (n*1.2)(n*0.8)
AFR
(NO
) / p
pm
10 11 12 13 14 15
0
20
40
60
80
100
120
(n*0.9)(n )(n*1.1)(n*1.2)
(n*0.8)(NO
) /pp
m
AFR (a) (b)
Journal of Process Control, G. Dolanc, S. Strmčnik, J. Petrovčič, Figure 16
0,7 0,8 0,9 1,0 1,1 1,2 1,30,0
0,2
0,4
0,6
0,8
1,0
φF=120 l/min
φF=60 l/min
φF=240 l/min
Err
/ ppm
horizontal scale factor Journal of Process Control, G. Dolanc, S. Strmčnik, J. Petrovčič, Figure 17
0,0 0,5 1,0 1,5 2,0 2,5 3,0 3,5 4,00
5
10
15
20
t / h
(NO
) OUT
/ pp
m
40
60
80
100
(NO
) IN /
ppm
0,00,10,20,30,4
φ NH3
/ l/m
in
101112131415
AFR
Journal of Process Control, G. Dolanc, S. Strmčnik, J. Petrovčič, Figure 18
0,7 0,8 0,9 1,0 1,1 1,2 1,30,0
0,2
0,4
0,6
0,8
1,0
φF=120 l/min
φF=60 l/min
φF=240 l/min
Err
/ ppm
vertical scale factor Journal of Process Control, G. Dolanc, S. Strmčnik, J. Petrovčič, Figure 19
Catalyticconverter
Heatexchanger
Burner
Journal of Process Control, G. Dolanc, S. Strmčnik, J. Petrovčič, Figure 20
Journal of Process Control, G. Dolanc, S. Strmčnik, J. Petrovčič, Figure 21